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Varios DELL machines having an unknown device ACPI\DELLABC6 – it is the WiFi switch support – via Dell Community

Posted by jpluimers on 2019/06/17

It looks like many Dell machines suffer from this: devmgmt.msc indicating an unknown device with identification ACPI\DELLABC6.

The odd thing is that the tool known for 10+ years as Dell Detect, but got renamed into SupportAssist does not detect that Windows needs drivers for it.

So a bunch of posts:

They lead to these download:

  1. [WayBack] Dell WLAN Radio Switch Driver | Dell US with [WayBackDell-WLAN-Radio-Switch-Driver_JK9WM_WIN_1.0.0.9_A05.EXE
  2. [WayBack] Dell Airplane Mode Switch Driver | Dell US with [WayBackFOLDER03137561M/1/Network_Driver_PX8MM_WN64_1.0.0_A00.EXE

The first of these works on a Dell Precision 7710 perfectly fine.

The odd thing: without the driver, pressing Fn+PrtScr (turn off/on WiFi radios) just works (for details on that key combination, see [WayBack] How to Turn the Wireless Devices on a Dell Notebook On and Off | Dell US or[WayBack] Dell Precision 7710 Mobile Workstation Keyboard Guide | Dell US)


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